import WeCropper from '../dist/we-cropper.js'
const device = wx.getSystemInfoSync()
const width = device.windowWidth
const height = device.windowHeight - 100;
Page({

  /**
   * 页面的初始数据
   */
  data: {
    xx: false,
    cropperOpt: {  //基础设置 
      id: 'cropper',
      width,
      height,
      scale: 2.5,
      zoom: 8,
      cut: {
        x: (width - 300) / 2,
        y: (height - 300) / 2,
        width: 300,
        height: 330
      }
    },
    // img: '../../images/toux/toux.png',
  },
  //选择图片
  chooseimg: function () {
    var that = this;
    wx.chooseImage({
      // sizeType: ['original', 'compressed'],
      // sourceType: ['type'],
      success: function (res) {
        console.log(res.tempFilePaths[0])
        that.setData({
          cutImage: 'show',
          addtribeConShow: 'hide',
          xx: true
        });
        that.wecropper.pushOrign(res.tempFilePaths[0]);
      }
    })
  },
  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    var that = this
    const {
      cropperOpt
    } = this.data
    new WeCropper(cropperOpt)
      .on('ready', (ctx) => { })
      .on('beforeImageLoad', (ctx) => {
        console.log(`before picture loaded, i can do something`)
        console.log(`current canvas context:`, ctx)
        wx.showToast({
          title: '上传中',
          icon: 'loading',
          duration: 20000
        })
      })
      .on('imageLoad', (ctx) => {
        console.log(`picture loaded`)
        console.log(`current canvas context:`, ctx)
        wx.hideToast()
      })
      .on('beforeDraw', (ctx, instance) => {
        console.log(`before canvas draw,i can do something`)
        console.log(`current canvas context:`, ctx)
      })
      .updateCanvas();
  },
  touchStart(e) {
    this.wecropper.touchStart(e)
  },
  touchMove(e) {
    this.wecropper.touchMove(e)
  },
  touchEnd(e) {
    this.wecropper.touchEnd(e)
  },
  getCropperImage() {
    var that = this;
    that.wecropper.getCropperImage((src) => {
      console.log(src)
      if (src) {
        //此处添加用户确定裁剪后执行的操作 src是截取到的图片路径
        console.log(src)
        that.setData({
          xx: false,
          img: src,
        })
      }
    })
  }
})

